AI/ML Engineer (Founding Employee)
StarstuffFinland2 days ago
Full-timeRemote FriendlyEngineering
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Location: Helsinki, Finland (Hybrid, 2–3 days onsite/week).
About Us
We are Starstuff. We are a compact team split between tech and business, building the world’s first AI-powered social platform for playable content. Think TikTok meets Roblox, powered by AI, and shaped by Gen Z and Gen Alpha.
We have 1.5M+ users, 80K+ creators, and 35M+ views on social. We have caught lightning in a bottle. Now we need to scale, monetize, and build a system that defines the next era of the internet.
The Role
You are not here to write whitepapers. You are here to build, ship, and improve. You will help users turn memes, prompts, and ideas into shared playable moments instantly on any device.
You Will
Don’t send a generic cover letter. Tell us about a time you faced a difficult technical challenge and how you solved it. Let’s make the stellar pixels playful!
About Us
We are Starstuff. We are a compact team split between tech and business, building the world’s first AI-powered social platform for playable content. Think TikTok meets Roblox, powered by AI, and shaped by Gen Z and Gen Alpha.
We have 1.5M+ users, 80K+ creators, and 35M+ views on social. We have caught lightning in a bottle. Now we need to scale, monetize, and build a system that defines the next era of the internet.
The Role
You are not here to write whitepapers. You are here to build, ship, and improve. You will help users turn memes, prompts, and ideas into shared playable moments instantly on any device.
You Will
- Turn on "Production Mode": Take our experimental AI features and harden them into scalable, efficient, real-time systems.
- Build Multimodal Pipelines: Stitch together text, image, video, 3D, audio, and game mechanics to create magic.
- Optimize for Scale: Ensure models run efficiently across devices for millions of users.
- Experiment Fearlessly: Iterate quickly with new generative approaches (LLMs, Diffusion, Agents).
- Collaborate: Work directly with Founders, Product, and Design.
- Top-Tier Engineering: Solid experience with ML frameworks (PyTorch, TensorFlow, JAX, etc.) and deployment.
- Shipper Mindset: Hands-on experience with generative models and application architecture. You don't just train models; you put them in front of users.
- Resilience: You have a growth mindset and the ability to solve complex problems even when things break.
- Startup Mindset: Low ego, high agency. You don't wait for permission; you identify problems and fix them.
- Experience optimizing models for real-time/mobile + capex (ONNX, TensorRT, CoreML, TFLite).
- Experience building multi-modal agentic systems for AI-assisted content creation.
- A passion for gaming, social platforms, or the creator economy.
- Experience with Unity, Unreal, or other game engines.
- Understanding of trade-offs between model quality, latency, and cost in a consumer product.
- Integrity & Radical Honesty: We value truth over comfort. We put all information on the table to move fast and make informed decisions.
- Psychological Safety: We take risks, give feedback openly, and hold each other accountable while supporting one another.
- Relentless Learning: If we stop learning, the platform stands still. We adapt quickly.
- Boldness & Curiosity: We are playful, bold, and disruptive. We push the boundaries of what's possible.
- Competitive Salary & Equity (We are looking for an owner, not a renter).
- Comprehensive occupational healthcare (including dental).
- HSL commuter benefit.
- Mobile plan.
- Top-tier Gear: Your choice of Mac, PC, or Linux workstation.
- A team limited to the top 1% of builders — playful, bold, and supportive.
Don’t send a generic cover letter. Tell us about a time you faced a difficult technical challenge and how you solved it. Let’s make the stellar pixels playful!
Key Skills
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